Frequencies for first 10,000 rows of pct012g084 variable in sf12010860us26 dataset :

   81 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,106       91.06       91.06
          1 |        705        7.05       98.11
          2 |        122        1.22       99.33
          3 |         39        0.39       99.72
          4 |         18        0.18       99.90
          5 |          8        0.08       99.98
          6 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017